<template>
  <div class="dashboard-container">
    <div class="app-container">
      <el-card>
        <el-tabs>
          <!-- 放置页签 -->
          <el-tab-pane label="角色管理">
            <!-- 新增角色按钮 -->
            <el-row style="height:60px">
              <el-button icon="el-icon-plus" size="small" type="primary" @click="hAdd">新增角色</el-button>
            </el-row>
            <!-- 表格 -->
            <el-table :data="list">
              <el-table-column label="序号" width="120" type="index" />
              <el-table-column label="角色名称" width="240" prop="name" />
              <el-table-column label="描述" prop="description" />
              <el-table-column label="操作">
                <template #default="{row}">
                  <el-button size="small" type="success" @click="hAssignPer(row.id)">分配权限</el-button>
                  <el-button size="small" type="primary" @click="hEdit(row)">编辑</el-button>
                  <el-button size="small" type="danger" @click="hDel(row.id)">删除</el-button>
                </template>
              </el-table-column>
            </el-table>

            <el-row type="flex" justify="center" align="middle" style="height: 60px">
              <!-- 分页组件 -->
              <el-pagination
                :current-page="queryParams.page"
                :page-sizes="[2,3,5,10,20]"
                :page-size="queryParams.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
              />
            </el-row>
          </el-tab-pane>
        </el-tabs>
      </el-card>

      <!-- 新增角色对话框 -->
      <el-dialog title="新增角色" :visible.sync="showDialog" @close="hResetForm">
        <el-form ref="roleForm" :model="roleForm" :rules="rules" label-width="100px">
          <el-form-item label="角色名称" prop="name">
            <el-input v-model="roleForm.name" />
          </el-form-item>
          <el-form-item label="角色描述" prop="description">
            <el-input v-model="roleForm.description" />
          </el-form-item>
        </el-form>
        <el-row slot="footer" type="flex" justify="center">
          <el-col :span="6">
            <el-button size="small">取 消</el-button>
            <el-button size="small" type="primary" @click="hSubmit">确 定</el-button>
          </el-col>
        </el-row>
      </el-dialog>

      <el-dialog
      title="分配权限"
      :visible.sync="showDialogPer"
       >
      <assignPermission v-if="showDialogPer" :id="curId" @close="showDialogPer=false"/>
    </el-dialog>
    </div>
  </div>
</template>

<script>
import {
  getRolesList,
  addRolesList,
  updateRolesList,
  delRolesList
} from "@/api/setting";
import assignPermission from './assignPermission.vue'

export default {
  components: {
    assignPermission
  },
  data() {
    return {
      curId:'',
      showDialogPer:false,
      isEdit: false, //false新增   true编辑
      // 收集的数据对象
      roleForm: {
        name: "",
        description: ""
      },
      //验证规则对象
      rules: {
        name: [{ required: true, message: "请输入角色名称", trigger: "blur" }],
        description: [
          { required: true, message: "请输入角色描述", trigger: "blur" }
        ]
      },
      showDialog: false, //控制弹层的显示和隐藏
      queryParams: {
        page: 1, //页码值 默认第一页
        pagesize: 3 //每页显示的条数
      },
      list: [], //存储角色的列表
      total: 0
    };
  },
  created() {
    this.loadRolesList();
  },
  methods: {
    hAssignPer(id){
      this.curId=id
      this.showDialogPer=true
    },
    hResetForm() {
      // resetFields可以清空校验规则
      // resetFields 如果表单一开始就有值，重置是回到数据初始状态
      this.$refs.roleForm.resetFields();
      // 手动清空表单数据
      this.roleForm = {
        name: "",
        description: ""
      };
    },
    // 删除角色
    hDel(id) {
      this.$confirm("是否删除该角色?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      })
        .then(async () => {
          await delRolesList(id);

          // 判断页面中是否只有一条数据，如果只有一条，需要将当前页码值减1
          if (this.list.length === 1) {
            this.queryParams.page--;
            if (this.queryParams.page <= 0) {
              this.queryParams.page = 1;
            }
          }
          this.loadRolesList();
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除"
          });
        });
    },
    // 新增操作
    hAdd() {
      this.isEdit = false;
      this.showDialog = true;
    },
    // 编辑操作
    hEdit(data) {
      this.isEdit = true;
      //表格中获取到的数据填充到表单
      this.roleForm = { ...data };
      this.showDialog = true;
    },
    // 实现编辑角色
    async doEdit() {
      try {
        await updateRolesList(this.roleForm);
        this.loadRolesList();
        this.showDialog = false;
      } catch (error) {
        console.log(error);
      }
    },
    // 实现新增角色
    async doAdd() {
      try {
        const res = await addRolesList(this.roleForm);

        this.total++;
        // 计算页码最大值
        const maxPage = Math.ceil(this.total / this.queryParams.pagesize);
        this.queryParams.page = maxPage;
        this.loadRolesList();

        this.showDialog = false;
      } catch (error) {
        console.log(error);
      }
    },
    hSubmit() {
      // 兜底校验
      this.$refs.roleForm.validate(valid => {
        if (!valid) return;

        this.isEdit ? this.doEdit() : this.doAdd();
      });
    },
    //当每页显示条数进行切换时触发
    handleSizeChange(val) {
      console.log(`每页 ${val} 条`);
      this.page = 1;
      this.pagesize = val;
    },
    // 页码进行切换时触发
    handleCurrentChange(val) {
      console.log(`当前页: ${val}`);
      this.queryParams.page = val;
      this.loadRolesList();
    },
    //加载角色列表
    async loadRolesList() {
      try {
        const res = await getRolesList(this.queryParams);
        console.log("getRolesList", res);
        this.list = res.data.rows;
        this.total = res.data.total;
      } catch (error) {
        console.log(error);
      }
    }
  }
};
</script>